1. 1 PROTG EDUCATION CENTER, LLC Giving the Gift of Education www.ProtegeEducation.com Career Development Program High school graduates & College students SAT PSAT NJ ASK Grades 3 to 12 Science Math (Biology, Chemistry & Physics) College Biology, Biochemistry, Micro biology, Immunology, Chemis try & Physics Biology Research Lab Assistant Certificate of Completion Medical Laboratory Scientist ASCP exam Preparation Presentation, Publi c Speaking & Leadership Skills Certificate of Completion Tutoring & Test Preparation 732-432-4900 Computer Science Certificate of Completion

2. Grade 6 - Science Review Light & Colors 2Protg Education Center, LLC All rights reserved www.ProtegeEducation.com 3. Protg Education Center, LLC All rights reserved www.ProtegeEducation.com Waves 3 Transverse waves Light waves and Electromagnetic spectrum Longitudinal waves Sound waves Surface waves Combination of transverse and longitudinal waves Surface that separates two medium, water and air Ocean waves 4. Protg Education Center, LLC All rights reserved www.ProtegeEducation.com Transverse Waves 4 Crest Trough Trough wavelength Amplitute 5. Protg Education Center, LLC All rights reserved www.ProtegeEducation.com Longitudinal Waves 5 Compression Rarefaction wavelength Compression Google images 6. Protg Education Center, LLC All rights reserved www.ProtegeEducation.com Electromagnetic Spectrum 6 Google images Radio waves Microwaves Infrared Ultraviolet X-rays Gamma rays Visible light Visible light 7. Protg Education Center, LLC All rights reserved www.ProtegeEducation.com Law of Reflection 7 Normal line Incidence Ray Reflective Ray a b Angle a : incidence angle Angle b : reflective angle Both angles are equal mirror 8. Protg Education Center, LLC All rights reserved www.ProtegeEducation.com Refraction 8 water Bending of waves, because of speed when it enters a medium air 9. Protg Education Center, LLC All rights reserved www.ProtegeEducation.com White light into Visible light Spectrum - Prism 9 Google images 10. Protg Education Center, LLC All rights reserved www.ProtegeEducation.com Diffraction 10 When a wave moves around a barrier or through an opening in a barrier, it bends and spreads out 11. Protg Education Center, LLC All rights reserved www.ProtegeEducation.com Rules of Reflection for Concave Mirrors Any incident ray traveling parallel to the principal axis on the way to the mirror will pass through the focal point upon reflection Any incident ray passing through the focal point on the way to the mirror will travel parallel to the principal axis upon reflection. 11 Optical axis *Focal point light > > > > 12. Protg Education Center, LLC All rights reserved www.ProtegeEducation.com Concave Mirror 12 Optical axis *Focal point > Concave Mirror Object is beyond focal point Image is smaller and inverted, real image Image can be projected into a paper or screen < 13. Protg Education Center, LLC All rights reserved www.ProtegeEducation.com Concave Mirror 13 Optical axis *Focal point > Concave Mirror Object is on the focal point Image is not formed, because reflective rays dont intersect 14. Protg Education Center, LLC All rights reserved www.ProtegeEducation.com Concave Mirror 14 Optical axis *Focal point > Concave Mirror Object is in front focal point Image is larger (magnified) and upright, virtual image < 15. Protg Education Center, LLC All rights reserved www.ProtegeEducation.com Rules of Reflection for Convex Mirrors Any incident ray traveling parallel to the principal axis on the way to a convex mirror will reflect in such a manner that its extension will pass through the focal point Any incident ray traveling towards a convex mirror such that its extension passes through the focal point will reflect and travel parallel to the principal axis. 15 Optical axis *Focal point light > > > > 16. Protg Education Center, LLC All rights reserved www.ProtegeEducation.com Convex Mirror 16 Optical axis *Focal point > < Focal point is inside the mirror, so image is virtual This mirror reflects light from an object to produce an image which is smaller and in right orientation Image is virtual, so it cannot be projected Side view mirror in a car is a great example > 17. Protg Education Center, LLC All rights reserved www.ProtegeEducation.com Interesting web links http://www.physicsclassroom.com/class/refln/Lesson- 3/Ray-Diagrams-Concave-Mirrors 17 18. 18 PROTG EDUCATION CENTER, LLC Giving the Gift of Education www.ProtegeEducation.com Tutoring Program Grade 6 Science & Math NJ ASK Math review Affordable rates 732-432-4900info@ProtegeEducation.com 19. 19 PROTG EDUCATION CENTER, LLC Giving the Gift of Education www.ProtegeEducation.com Career Development Program High school graduates & College students SAT PSAT NJ ASK Grades 3 to 12 Science Math (Biology, Chemistry & Physics) College Biology, Biochemistry, Micro biology, Immunology, Chemis try & Physics Biology Research Lab Assistant Certificate of Completion Medical Laboratory Scientist ASCP exam Preparation Presentation, Public Speaking & Leadership Skills Certificate of Completion Tutoring & Test Preparation 732-432-4900 Computer Science Certificate of Completion 20. 20 PROTG EDUCATION CENTER, LLC Giving the Gift of Education www.ProtegeEducation.com Thank You 732-432-4900 info@ProtegeEducation.com